0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Balance Sheets Consolidated Balance Sheets (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements of Comprehensive Income (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements of Stockholders Equity Statement link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Consolidated Statements of Stockholders Equity (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - New Accounting Standards link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Valuation of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Current Expected Credit Losses link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Property and Equipment link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Liability for Unpaid Losses and Loss Adjustment Expenses link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - LPT Agreement link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Notes Payable link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Accumulated Other Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Valuation of Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Current Expected Credit Losses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - 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Basis of Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Fair Value of Financial Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Fair Value of Financial Instruments, Fair Value Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Fair Value Measures and Disclosures on recurring basis, unobservable inputs (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Valuation of Financial Instruments Investments at NAV (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Investments Available for Sale Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Investments Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Investments Other Invested Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Investments, Amortized Cost and Estimated Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Investments, Amortized Cost and Estimated Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Investments, Continuous Loss Position (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Investments Investments, Net Realized Gains and Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Net Investment Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Investments Investments, Held in Trust or on Deposit (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Current Expected Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Property and Equipment Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Cloud Computing Arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Property, Plant, and Equipment, Depreciation and Amortization (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Property and Equipment Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Property and Equipment Leases, Components of Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Property and Equipment Leases, Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Property and Equipment Leases, Supplement Balance Sheet Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Property and Equipment Leases, Supplemental Cash Flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Liability for Unpaid Losses and Loss Adjustment Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - LPT Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Financing Arrangements - Credit Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Financing Agreement - Letters of Credit (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Accumulated Other Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Segment Reporting Segment Net Income Before Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Segment Reporting Geographic Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink